节管 meaning in English

pipe joint

Olive type compression couplings ; male stud elbows
椭圆形压接管接头.螺柱式插接肘节管
Composite tubular mast
多节管柱
The calculation method for optimum design of the bellows tube heat exchanger and its application base are provided
阐述了波节管换热器优化设计的计算方法，为波节管换热器的应用提供了理论依据。
Abstract : this pater analyzed its heat transfer mechanism and determined the bellows tube to be a type of enhanced heat transfer effective element
文摘:通过分析波节管的传热机理，证明它是强化传热的有效元件。
Then experiment was processed to testify the calculated results . based on the theory of vibration mode , harmonic response and experiment , fea meshing , fea element and bound condition of expansion joint were analyzed . then a parametric fea modeling & post process software was developed by apdl and visual basic langrage
本文采用有限元数值分析方法，利用大型商用有限元计算软件ansys ，研究了基于结构参数化设计思想的波纹管膨胀节的振动模态和含波纹管膨胀节管系的振动响应分析方法，开展了波纹管膨胀节模态试验验证。